"Start codon" . . "initiation residues" . "AUG" . "initiation sequence" . "START" . "initiation site" . "Start_codon" . . "starting codon" . "alternative start site" . "start" . "start codon" . "start codon (AUG)" . "Start codon" . "AUG codon" . . . "AUGs" . "initiation codon" .